Removable and disposable extension for a light guide of a dental

Details Removable and disposable extension for a light guide of a dental Removable and disposable extension for a light guide of a dental

1989-05-15

1991-05-21

Wilson, John J.

Dentistry

Method or material for testing, treating, restoring, or...

433229, 250504H, A61C 500

Patent

active

050171402

ABSTRACT:
A removable and disposable extension for a light guide of a dental curing light in which a hollow empty body having a calibrated aperture therein is detachably fitted on the rigid light guide so that the aperture faces the optical glass in the light guide. The hollow body is opaque to light and provides a pathway for light from the optical glass to and through the aperture. The aperture is calibrated so as to be of relatively small size compared to the optical glass to permit a relatively narrow beam of light to exit from the aperture. The extension permits substantially instantaneous spot curing of a composite between a laminate and a tooth to preserve their relative position when other operations are carried out.

REFERENCES:
patent: 4204328 (1980-05-01), Kutner
patent: 4445858 (1984-05-01), Johnson
patent: 4666405 (1987-05-01), Ericson
patent: 4666406 (1987-05-01), Kanca

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